Running COST of wastewater treatment plant mainly includes wastewater discharge fee, electricity cost, chemical cost, staff cost, maintenance and replacement cost, sludge disposal, administration cost .
Wastewater treatment plant construction cost
| Item | Description | Calculation | Cost | Percentage |
| Water discharge fee | $0.02/m3 | 0.02*100,000*30 | $60,000 | 18% |
| Electricity fee | 0.30 Kwh*0.10*100,000*30 | $90,000 | 27% | |
| Chemical fee | PAC and Cl2 | (0.0001*4000*10+0.003*1)*100,000*30 | $21,000 | 6% |
| Sludge transport and disposal | 20% solid content, $30/ton | 0.0001/0.2*100,000*30 | $45,000 | 13% |
| Staff cost | 24 staff, average $2500/month salary | 24*2500 | $60,000 | 18% |
| Administration cost | 50% of staff cost | 24*2500*50% | $30,000 | 9% |
| Maintenance and replacement cost | yearly 1% of total construction cost | 400*1%/12*100,000 | $33,333 | 10% |
| Total monthly cost | $339,333 | 100% | ||
| cost per m3 | $0.11 |